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镁 试剂 acc. to Mann and Yoe (reagent for magnesium)
进口锡囊/银囊(装固体样品)
ChlorineDioxideTestRefillpackfor118756,118754
AmmoniumCellTestmethod:photometric0.010-2.000mg/lNH4-N0.01-2.58mg/lNH4+Spectroquant®
sensIONConductivityProbe,5-pinconnector,1metercable
SulfatePowderPacksfornon-Merckphotometersfor25-mlsamplesMethod:photometric,bariumchloride0-70mg/lSO4Spectroquant®
Potassiumiodide-starchpaperRoll(4.8m)withcolourscaleReag.PhEur
NitrateCellTestMethod:photometric,DMP0.5-25.0mg/lNO3-N2.2-110.7mg/lNO3ˉSpectroquant®
ChlorinePowderPacksfornon-Merckphotometersfor10-mlsamples(freechlorine)Method:photometric,DPD0-2.00mg/lCl2100TestsSpectroquant®
Phloroglucinol(1,3,5-trihydroxybenzene)GRforanalysisReag.PhEur
硫化氢气体检测管NO.4L